1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
scoundrel [369]
3 years ago
6

The frequency distribution shows the number of registered motor vehicles for a random sample of 200 California households.

Mathematics
1 answer:
erastovalidia [21]3 years ago
6 0

Answer:

1). Mean = 2.275

2). Median = 2 vehicles

Step-by-step explanation:

From the given table,

Number of vehicles (x)         Frequency (f)      (f)×(x)             Cumulative freq.

                  0                                    11                  0                           11

                  1                                     52                52                        63

                  2                                    66                132                      129

                  3                                    35                105                      164

                  4                                    19                  76                       183

                  5                                    12                  60                       195

                  6                                     5                  30                       200

                                                                          \sum (f\times x) = 455

Number of households = 200

Mean = \sum \frac{f.x}{n}

          = \frac{455}{200}

         = 2.275

Median = value of \frac{(n+1)}{2}th observation

             = value of \frac{201}{2}th observation

             = Value of 100.5th observation

             = Since 100.5th observation lies in the row of cumulative freq. = 129

             = 2

Therefore, median number of registered vehicles per California household

= 2 vehicles

You might be interested in
In a test (+4) marks are given for every correct answers and (-3) marks are given for every incorrect answers 1) Tahiya answered
stealth61 [152]

Answer:

Tahiya attempted 3 incorrect answers.

Helmin attempted 11 incorrect answers.

Step-by-step explanation:

Correct = +4

Incorrect = -3

1) Tahiya got 12 correct answers and scored a 40, the number of incorrect answers was:

4*12-3I=40\\I=\frac{8}{3}\\I=2.67

2) Helmin got 5 correct answers and scored a -14, the number of incorrect answers was:

4*5-3I=-14\\I=\frac{34}{3}\\I=11.33

In both cases the number of incorrect answers obtained is a fraction, which means that either the data provided is inaccurate, or that the scores obtained by the students are approximate. Let's round the number of incorrect answers to the nearest whole answer.

Tahiya attempted 3 incorrect answers.

Helmin attempted 11 incorrect answers.

4 0
3 years ago
D.similar SSS similarity triangle TLM.<br> Geometry math question no Guessing
Readme [11.4K]
D. Similar SSS similarity triangle TLM
3 0
3 years ago
Read 2 more answers
3/4log7(625)+2log7(x)=2 solve for x
sdas [7]
Simplifies to:
1.690196x+396.139706=2

Let's solve your equation step-by-step.
1.690196x+396.139706=2


Step 1: Subtract 396.139706 from both sides.

1.690196x+396.139706-396.139706=2-396.139706



1.690196x=-394.139706

Step 2: Divide both sides by 1.690196.
1.690196x/1.690196 -394.139706/1.690196

x= -233.191716
Answer: x= -233.191716

7 0
3 years ago
Express the complex number in trigonometric form. -3i
Maksim231197 [3]
Remember to use trig form the general equation is: r(cos(angle) + i sin(angle))
to find r, take √a^2 + b^2 to get 3 for the angle it would be undefined so thee argument would be π / 2. So your answer is 3(cos(π/2) + i sin(π/2))
8 0
3 years ago
Read 2 more answers
What fractions equal to 4/6 that is a multiplication sentence.<br><br> please help thanks
jasenka [17]
2/3
4/6
6/9
8/12
i hope this helps..
7 0
3 years ago
Other questions:
  • How does tan 135 degrees compare to tan -135 degrees
    6·1 answer
  • Juan sells 2 sizes of dried wreaths it takes him 3 hours to make each large and 2 hours to make each small one. he has material
    7·1 answer
  • May someone help me with 2-9? Please?
    5·1 answer
  • a town has a population of 70,230 in the year 2020. Over the next five years, 6556 people move into the town for work, but 4096
    12·1 answer
  • -10x+2=14x then 16x=
    7·1 answer
  • A line intersects the points (-2,5) and (6,5) What is the slope-intercept equation for the slope
    8·1 answer
  • 3. What is 5⅕% of 325?
    11·1 answer
  • Im so confused can someone help please
    12·1 answer
  • Bir sınıfta 15kişi ingilizce,6kisi ingilizce fransizca ,10kisi ise fransizca konusmaktadir bunw gore sinifta öğrenci sayısı kact
    13·1 answer
  • -6 (x + 1) ≥ 27 I need help
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!